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--- aout_lc_module [2016/08/04 23:43] – [Resolution Adjustment] psykhaze
+++ aout_lc_module [2016/08/04 23:44] – [Introduction] psykhaze
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-In difference to the [[AOUT_Module]] or [[AOUT_NG module]], this project doesn't require a special (expensive and hard to get) DAC IC, instead resistors are formed to a discrete R-2R ladder network. Building such a circuit means a lot of soldering effort, but as the MBHP is indented as a Do-It-Yourself platform, and not as a commercial product, this argument is very weak. However, the resistor ladder could be replaced by a DAC with parallel interface (see Karl's schematics), this would still have the advantage, that the DACs are accessible via a serial chain (-> low number of uC pins are allocated), and that the software driver doesn't need to be adapted for a proprietary interface.
+In difference to the [[AOUT_Module|AOUT]] or [[AOUT_NG]], this project doesn't require a special (expensive and hard to get) DAC IC, instead resistors are formed to a discrete R-2R ladder network. Building such a circuit means a lot of soldering effort, but as the MBHP is indented as a Do-It-Yourself platform, and not as a commercial product, this argument is very weak. However, the resistor ladder could be replaced by a DAC with parallel interface (see Karl's schematics), this would still have the advantage, that the DACs are accessible via a serial chain (-> low number of uC pins are allocated), and that the software driver doesn't need to be adapted for a proprietary interface.
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 In order to increase the flexibility, the MBHP_AOUT_LC PCB provides two different resolution options. The first channel can either be controlled with 12bit or 8bit resolution, the second channel with 4bit or 8bit resolution:
-{{ ::neonking:mbhp_aout_lc_res_options.gif?600 |}}
+{{ ::neonking:mbhp_aout_lc_res_options.gif |}}
 The 12/4 bit option is used by MIDIbox SID (the filter is controlled with 12bit, the resonance with 4bit only).
 In the MIDIbox CV firmware the resolution option is selectable. 8/8bit is enough if the module should control V/Oct CV inputs via Note or CC events. 12/4bit should be selected if channel #1 is connected to a Hz/V input, or if high-resolution events (NRPNs, PitchWheel) are desired.